RT null T1 IETC Technical Work in Countries A2 Giacovelli, Claudia K1 waste management K1 marine pollution YR 2017 FD 2017 LK https://wedocs.unep.org/handle/20.500.11822/26525 UL https://wedocs.unep.org/handle/20.500.11822/26525 DS UN Environment Document Repository RD Sep 17, 2026